The theory and practice of surveying. Designed for the use of surveyors and engineers generally, but especially for the use of students in engineering (1886)
Johnson, J. B. (John Butler), 1850-1902 · New York, J. Wiley & sons · leaf 34
djustable in length, it shouldbe made of standard length by meas-uring from the inside of the handle atone end to the outside of the handleat the other. If it is not adjustable,measure from the outside of the handleat the rear end to the standard markat the forward end. 2. Gunters Chain is 66 feet… … 6 SURVEYING. astronomer, about 1620, and is very convenient for obtainingareas in acres or distances in miles. Thus,One mile = 80 chains ; also,One acre = 160 square rods,= 10 square chains,= 100,000 square links.If, therefore, the unit of measure be chains and hundredths(links), the area is…
Surveying
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